From 09af07ea408541cc1d632ad331a8771f05fe20ef Mon Sep 17 00:00:00 2001
From: wildcard <wildcard@eden-emu.dev>
Date: Sat, 30 Aug 2025 21:44:32 +0200
Subject: [PATCH] [VMA] Enable memory budget tracking and different heap sizes
 for intergrated gpus

aforesaid changes and pass actual api version
---
 .../vulkan_common/vulkan_device.cpp           | 30 +++++++++++--------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index 95c0d974cc..4d74bf00a5 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -753,18 +753,24 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
     functions.vkGetInstanceProcAddr = dld.vkGetInstanceProcAddr;
     functions.vkGetDeviceProcAddr = dld.vkGetDeviceProcAddr;
 
-    const VmaAllocatorCreateInfo allocator_info = {
-        .flags = VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT,
-        .physicalDevice = physical,
-        .device = *logical,
-        .preferredLargeHeapBlockSize = 0,
-        .pAllocationCallbacks = nullptr,
-        .pDeviceMemoryCallbacks = nullptr,
-        .pHeapSizeLimit = nullptr,
-        .pVulkanFunctions = &functions,
-        .instance = instance,
-        .vulkanApiVersion = VK_API_VERSION_1_1,
-        .pTypeExternalMemoryHandleTypes = nullptr,
+    VmaAllocatorCreateFlags flags = VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT;
+    if (extensions.memory_budget) {
+        flags |= VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT;
+    }
+    const VmaAllocatorCreateInfo allocator_info{
+            .flags = flags,
+            .physicalDevice = physical,
+            .device = *logical,
+            .preferredLargeHeapBlockSize = is_integrated
+                                           ? (64u * 1024u * 1024u)
+                                           : (256u * 1024u * 1024u),
+            .pAllocationCallbacks = nullptr,
+            .pDeviceMemoryCallbacks = nullptr,
+            .pHeapSizeLimit = nullptr,
+            .pVulkanFunctions = &functions,
+            .instance = instance,
+            .vulkanApiVersion = ApiVersion(),
+            .pTypeExternalMemoryHandleTypes = nullptr,
     };
 
     vk::Check(vmaCreateAllocator(&allocator_info, &allocator));